| /* |
| * Copyright (C) 2010, 2012 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "SharedWorkerProcess.h" |
| |
| #if ENABLE(SHARED_WORKER_PROCESS) |
| |
| #include "ArgumentCoders.h" |
| #include "Attachment.h" |
| #include "SharedWorkerProcessCreationParameters.h" |
| #include "SharedWorkerProcessProxyMessages.h" |
| #include "WebProcessConnection.h" |
| #include <WebCore/NotImplemented.h> |
| #include <WebCore/RunLoop.h> |
| |
| #if PLATFORM(MAC) |
| #include <crt_externs.h> |
| #endif |
| |
| #if USE(UNIX_DOMAIN_SOCKETS) |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <sys/resource.h> |
| #include <sys/socket.h> |
| #include <unistd.h> |
| |
| #ifdef SOCK_SEQPACKET |
| #define SOCKET_TYPE SOCK_SEQPACKET |
| #else |
| #if PLATFORM(GTK) |
| #define SOCKET_TYPE SOCK_STREAM |
| #else |
| #define SOCKET_TYPE SOCK_DGRAM |
| #endif |
| #endif // SOCK_SEQPACKET |
| #endif // USE(UNIX_DOMAIN_SOCKETS) |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| SharedWorkerProcess& SharedWorkerProcess::shared() |
| { |
| DEFINE_STATIC_LOCAL(SharedWorkerProcess, process, ()); |
| return process; |
| } |
| |
| SharedWorkerProcess::SharedWorkerProcess() |
| : m_minimumLifetimeTimer(RunLoop::main(), this, &SharedWorkerProcess::minimumLifetimeTimerFired) |
| { |
| } |
| |
| SharedWorkerProcess::~SharedWorkerProcess() |
| { |
| } |
| |
| void SharedWorkerProcess::initialize(CoreIPC::Connection::Identifier serverIdentifier, RunLoop* runLoop) |
| { |
| ASSERT(!m_connection); |
| |
| m_connection = CoreIPC::Connection::createClientConnection(serverIdentifier, this, runLoop); |
| m_connection->setDidCloseOnConnectionWorkQueueCallback(didCloseOnConnectionWorkQueue); |
| m_connection->open(); |
| } |
| |
| void SharedWorkerProcess::removeWebProcessConnection(WebProcessConnection* webProcessConnection) |
| { |
| size_t vectorIndex = m_webProcessConnections.find(webProcessConnection); |
| ASSERT(vectorIndex != notFound); |
| |
| m_webProcessConnections.remove(vectorIndex); |
| |
| enableTermination(); |
| } |
| |
| bool SharedWorkerProcess::shouldTerminate() |
| { |
| ASSERT(m_webProcessConnections.isEmpty()); |
| |
| return true; |
| } |
| |
| void SharedWorkerProcess::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::MessageDecoder& decoder) |
| { |
| didReceiveSharedWorkerProcessMessage(connection, messageID, decoder); |
| } |
| |
| void SharedWorkerProcess::didClose(CoreIPC::Connection*) |
| { |
| // The UI process has crashed, just go ahead and quit. |
| RunLoop::current()->stop(); |
| } |
| |
| void SharedWorkerProcess::didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::StringReference, CoreIPC::StringReference) |
| { |
| } |
| |
| void SharedWorkerProcess::initializeSharedWorkerProcess(const SharedWorkerProcessCreationParameters& parameters) |
| { |
| setMinimumLifetime(parameters.minimumLifetime); |
| setTerminationTimeout(parameters.terminationTimeout); |
| |
| platformInitialize(parameters); |
| } |
| |
| void SharedWorkerProcess::createWebProcessConnection() |
| { |
| #if PLATFORM(MAC) |
| // Create the listening port. |
| mach_port_t listeningPort; |
| mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &listeningPort); |
| |
| // Create a listening connection. |
| RefPtr<WebProcessConnection> connection = WebProcessConnection::create(CoreIPC::Connection::Identifier(listeningPort)); |
| m_webProcessConnections.append(connection.release()); |
| |
| CoreIPC::Attachment clientPort(listeningPort, MACH_MSG_TYPE_MAKE_SEND); |
| m_connection->send(Messages::SharedWorkerProcessProxy::DidCreateWebProcessConnection(clientPort), 0); |
| #elif USE(UNIX_DOMAIN_SOCKETS) |
| int sockets[2]; |
| if (socketpair(AF_UNIX, SOCKET_TYPE, 0, sockets) == -1) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| |
| // Don't expose the shared worker process socket to the web process. |
| while (fcntl(sockets[1], F_SETFD, FD_CLOEXEC) == -1) { |
| if (errno != EINTR) { |
| ASSERT_NOT_REACHED(); |
| while (close(sockets[0]) == -1 && errno == EINTR) { } |
| while (close(sockets[1]) == -1 && errno == EINTR) { } |
| return; |
| } |
| } |
| |
| // Don't expose the shared worker process socket to possible future web processes. |
| while (fcntl(sockets[0], F_SETFD, FD_CLOEXEC) == -1) { |
| if (errno != EINTR) { |
| ASSERT_NOT_REACHED(); |
| while (close(sockets[0]) == -1 && errno == EINTR) { } |
| while (close(sockets[1]) == -1 && errno == EINTR) { } |
| return; |
| } |
| } |
| |
| RefPtr<WebProcessConnection> connection = WebProcessConnection::create(sockets[1]); |
| m_webProcessConnections.append(connection.release()); |
| |
| CoreIPC::Attachment clientSocket(sockets[0]); |
| m_connection->send(Messages::SharedWorkerProcessProxy::DidCreateWebProcessConnection(clientSocket), 0); |
| #else |
| notImplemented(); |
| #endif |
| |
| disableTermination(); |
| } |
| |
| void SharedWorkerProcess::setMinimumLifetime(double lifetime) |
| { |
| if (lifetime <= 0.0) |
| return; |
| |
| disableTermination(); |
| |
| m_minimumLifetimeTimer.startOneShot(lifetime); |
| } |
| |
| void SharedWorkerProcess::minimumLifetimeTimerFired() |
| { |
| enableTermination(); |
| } |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(SHARED_WORKER_PROCESS) |